Infection, usually by a virus, is the most common cause of lymph node swelling. Other causes include inflammatory diseases, abscesses, and cancer. ... This biopsy is done to find out why a node is swollen. ... Groin; Armpit; Neck; Under the jaw and chin; Behind the ears. ...
Soldering - Soldering has the same definition as brazing except for the fact that the filler metal used has a liquidus below 840Â°F (450Â°C) and below the solidus of the base metals.
Use solder in a sentence. a metal alloy that is heated and used to join or patch metal parts or surfaces: soft solders of tin-lead alloys melt easily; hard (or brazing) solders of copper-zinc alloys melt only at red heat. anything that joins or fuses; bond.